Two-way communication, comfort your children from anywhere in the house With a temperature sensor, supervise baby's room temperature all day, help to care for your baby's health Ideal for monitoring different rooms in the family, such as young children or the elderly alone in a room, other rooms can be watched over the people in the room, and timely detection of the situation Display with built-in lithium battery, can be connected to work more than 8 hours, open the power-saving mode can be connected to work more than 22 hours The camera needs external power supply socket to ensure the safety and long-time monitoring Specifications: Model: SM43A Resolution: 640*480P Transmission method: wireless point-to-point transmission (short-range transmission) Transmission distance: line of sight about 150 meters Intercom way: two-way intercom Music: built-in music, the volume can be adjusted Screen size: 4.3-inch high-definition LCD screen Detection method: voice-activated power-saving mode Battery: Built-in lithium battery 2100mAh (display only) Monitoring: indoor temperature display Language: icon Function: horizontal rotation: 355 degree, vertical: 120 degree Night vision: Infrared night vision about 5 meters Package included: 1 x Monitor 1 x Camera 2 x Power Adapters 1 x English User Manual 1 x Screws Pack